The Story : After having spent a year in the Cretaceous period, Abby and Connor finally recover Helen's anomaly opening device and are able to return to the present day but bring new danger with them in the form of a large Spinosaurus. After returning they meet up with a new ARC team and discover that the ARC is now half owned by a private businessman and they find their jobs are in danger as they are out of the loop.

The Story : When Connor looks up his old friend Duncan, he doesn't expect to find him obsessed with creature sightings. Warning him of the elusive dock creature, the pair track it down to the docks, only to find evidence of a fresh kill. With Abby and Matt arriving to help, they find the creature after a tense chase through a container yard. Will Connor's quick-thinking and bravery earn him back his place on the team?

The Story : A mysterious group come through an anomaly in a theatre, unknowingly followed by deadly tree creatures. As they attempt to escape, Matt inadvertently brings one of the group – Emily - back against her will. She promises to help him find the creature, in return for going back through the anomaly. In a frantic chase through the city, they track the creature down, only to discover the anomaly has closed, leaving Emily stranded.

The Story : Saturday detention is thrown into disarray when a deadly Therocephalian attacks a teacher, allowing the kids to run riot. The team are soon faced with not only tracking down the creatures, but fighting against the antics of a group of terrified students. Finding a Therocephalian nest in the school canteen, Connor enlists the help of the kids to stun the creatures into submission before returning them through the anomaly. Meanwhile back at the ARC the menagerie, including Rex, are under threat of termination at the order of Philip Burton.

The Story : Connor and Abby are sent to investigate an odd anomaly signal, and uncover the existence of an ancient Labyrinthodont in a small coastal town. While trying to track it down, they discover a group of farmers smuggling dangerous fuel. Back at the ARC, Matt sets out to find Emily after her mysterious disappearance.

The Story : An anomaly alert calls the team to a stately home, where they come across a grand wedding. Though Matt has persuaded Philip to allow Emily to come out on the incursion, Becker and Jess are kept behind – they must find Ethan before he can kill again. Arriving at the location, they soon realise that this is no ordinary wedding; as they come across Jenny Lewis, trying her best to forget her old life at the ARC.

The Story : The team are sent to investigate an anomaly signal coming from an apartment building, only to discover a rampant Titanis wreaking havoc. As the team struggle to regain control, they get an even bigger surprise as the missing Danny runs through the anomaly. But emotional reunions all round have to wait, as he joins the attempt to get the Titanis back through the anomaly. The team don't notice someone watching them from the shadows; it seems Ethan has tracked them down and is still plotting his revenge on Emily.